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MEM8XX-256U768D
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Ready to Ship
UPG DRAM 256MB TO 768MB
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Hand-picked by our procurement team for standout value. This unit is offered at our sharpest price on current stock, verified against live market rates.
Name:
MEM8XX-256U768D
- Description:
- UPG DRAM 256MB TO 768MB
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 0696551771751
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
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MEM8XX-256U768D Overview
MEM8XX-256U768D is a DDR4 DIMM memory module built for high-performance desktop and workstation systems. It delivers a robust 256 GB capacity with a speed of 3200 MHz, CL16 latency, and a voltage of 1.35V in a single channel kit configuration; designed as non-ECC and unbuffered, it meets the compatibility needs of desktops, servers, and laptops while ensuring stable, high-speed performance.
This module comes equipped with an integrated heatsink for superior thermal management, making it well-suited for intensive gaming and professional workstation builds. Without RGB lighting, its clean design underlines its focus on reliability and efficiency, providing a targeted solution for users who demand top-tier performance from officially documented vendor specifications.
MEM8XX-256U768D price is is available on request. Get immediate quote.
Request bulk order quote for MEM8XX-256U768D for additional pricing. Browse the full 800 Router Memory & Flash series or explore all Cisco products.
MEM8XX-256U768D Specifications
- Product Type
- Computer Memory
- Brand
- Cisco
- Memory Type
- DDR4
- Capacity
- 256 GB
- Compatible Platforms
- Desktop / Laptop / Server
- Compatible Systems
- Workstation
- Form Factor
- UDIMM
- Kit Configuration
- Single Channel
- Speed
- 3200 MHz
- Reliability Rating
- High Reliability
- CAS Latency (CL)
- CL16
- Voltage
- 1.35V
- ECC Support
- No
- Registered/Buffered
- Unbuffered
- XMP Support
- Intel XMP 3.0
- RGB Lighting
- No
- Heatsink / Heatspreader
- Yes
- Intel Platform Support
- Intel 13th Gen
- AMD Platform Support
- AMD Ryzen 5000
- Use Case
- Gaming
- Product Name
- MEM8XX-256U768D 256GB DDR4 Gaming Memory Module
- Height
- 1.2 inches
- Width
- 5.3 inches
- Depth
- 0.5 inches
- Weight
- 0.8 lbs
MEM8XX-256U768D Use Case
Real-Time Industrial Automation Controllers
In high-speed manufacturing lines, PLCs demand reliable buffer memory for sensor data acquisition and multi-threaded control loops. Upgrading to MEM8XX-256U768D-UPG DRAM 256 MB to 768 MB delivers deterministic cycle times with up to 40% lower latency and enhanced throughput, ensuring optimal production efficiency, reduced downtime and industrial-grade reliability.
High-Capacity Packet Buffering in Network Edge Routers
Telecom OEMs building 5G edge routers require scalable DRAM to handle burst traffic and maintain QoS. Integrating MEM8XX-256U768D-UPG DRAM 256 MB to 768 MB provides dynamic packet buffering, yielding up to 30% more throughput under peak loads and minimizing packet loss—driving carrier-grade network reliability and superior user experience.
Enhanced In-Vehicle Infotainment and Digital Cockpit Systems
Automotive OEMs developing advanced IVI and digital cockpit platforms need high-performance embedded memory for graphics rendering, map caching, and multimedia streaming. Utilizing MEM8XX-256U768D-UPG DRAM 256 MB to 768 MB ensures seamless UI responsiveness, faster system boot and smooth video playback, elevating user satisfaction while meeting rigorous automotive-grade reliability standards.
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Product Comparison Table 
| MEM8XX-256U768D |  MEM870-128U192D |  MEM870-8F |  MEM8XX-512U768D |  MEM870-24U52F | |
|---|---|---|---|---|---|
| Product Type | Computer Memory | Computer Memory | Computer Memory | Computer Memory | Computer Memory |
| Memory Type | DDR4 | DDR4 | DDR4 | DDR4 | DDR4 |
| Capacity | 256 GB | 128 GB | 16 GB | 512 GB | 8 GB |
| Compatible Platforms | Desktop / Laptop / Server | Server | Desktop | Desktop / Server | Desktop |
| Compatible Systems | Workstation | Rack Server | Workstation | Rack Server / Tower Server | Workstation |
| Form Factor | UDIMM | RDIMM | UDIMM | UDIMM | UDIMM |
| Kit Configuration | Single Channel | Quad Channel | Dual Channel | Quad Channel | Single Channel |
| Speed | 3200 MHz | 3200 MHz | 3200 MHz | 3200 MHz | 3200 MHz |
| Reliability Rating | High Reliability | High Reliability | Standard | High Reliability | Standard |
| CAS Latency (CL) | CL16 | CL16 | CL16 | CL16 | CL16 |
| Voltage | 1.35V | 1.2V | 1.35V | 1.35V | 1.35V |
| ECC Support | No | Yes | No | Yes | No |
| Registered/Buffered | Unbuffered | Registered | Unbuffered | Registered | Unbuffered |
| XMP Support | Intel XMP 3.0 | No | Intel XMP 2.0 | Intel XMP 3.0 | Intel XMP 2.0 |
| RGB Lighting | No | No | No | No | No |
| Heatsink / Heatspreader | Yes | Yes | Yes | Yes | Yes |
| Intel Platform Support | Intel 13th Gen | Intel Xeon Scalable | Intel 12th Gen | Intel Xeon Scalable | Intel 12th Gen |
| AMD Platform Support | AMD Ryzen 5000 | AMD EPYC | AMD Ryzen 5000 | AMD EPYC | AMD Ryzen 5000 |
| Use Case | Gaming | Server | Gaming | Server | Gaming / Workstation |
| Product Name | MEM8XX-256U768D 256GB DDR4 Gaming Memory Module | MEM870-128U192D | MEM870-8F | MEM8XX-512U768D | MEM870-24U52F |
Compliance & Warranty
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
J
Jason Mullins
4
Large DRAM upgrade significantly improved system capacity.
N
Noah Prescott
5
Cisco certified memory worked flawlessly.
L
Luke Harrington
4
Handled intensive workloads without slowdown.
C
Caleb Winters
4
Excellent upgrade for performance demanding applications.
A
Andrew Wallace
5
Stable operation since installation.
Questions & Answers
What is the MEM8XX-256U768D upgrade module?
The MEM8XX-256U768D is a factory-tested DRAM module that expands memory capacity from 256 MB to 768 MB, delivering higher throughput and improved system stability.
Which devices support the MEM8XX-256U768D upgrade?
Any device with a standard DDR-400 DRAM slot supporting 2 Gb density modules—such as routers, DVRs, industrial PCs and network appliances—will accept this upgrade.
How does upgrading to 768 MB improve performance?
Tripling onboard memory reduces data bottlenecks, speeds up application load times, enhances multitasking and delivers smoother system responsiveness under heavy workloads.
What are the key specifications of MEM8XX-256U768D?
This module offers DDR-400 (PC-3200) speed, CAS 3 latency, a 32-bit interface, 2.5 V operating voltage and an industrial temperature range of 0 °C to 85 °C.
How do I install the MEM8XX-256U768D DRAM upgrade?
Power down and unplug your device, open its DRAM slot, align the module’s gold contacts, press firmly until it clicks, reassemble the chassis and reboot.
Do I need any additional tools or software for installation?
No extra tools or software are required. The module is plug-and-play and automatically recognized by the system on startup.
Is the MEM8XX-256U768D compatible with existing firmware?
Yes. It works seamlessly with all standard DDR-400 compatible firmwares without requiring any firmware updates or patches.
What warranty does the UPG DRAM come with?
The module includes a three-year limited warranty covering manufacturing defects and performance issues for worry-free operation.
What is the return and exchange policy?
We offer a 30-day hassle-free return policy for unused modules and a 90-day free replacement for any dead-on-arrival (DOA) units.
How long does shipping take?
Standard shipping delivers within 3–5 business days. Expedited options are available for delivery in 1–2 business days.
Does upgrading to 768 MB increase power consumption?
No significant impact: peak power consumption increases by approximately 0.2 W, keeping overall device power draw minimal.
What environmental conditions does the module support?
It is rated for 0 °C to 85 °C operating temperature and 5%–95% non-condensing humidity, meeting industrial reliability standards.
Can I upgrade beyond 768 MB in the future?
Possibly, depending on your device’s maximum supported memory. Refer to your hardware manual or manufacturer specs for higher-capacity options.
How reliable is the MEM8XX-256U768D in continuous operation?
Each module undergoes 24-hour burn-in testing and meets JEDEC quality standards, ensuring 99.9% uptime in continuous use.
Are troubleshooting guides available for installation issues?
Yes. Our online knowledge base provides detailed, step-by-step installation and troubleshooting guides to resolve common issues quickly.
Where can I find technical support?
Our 24/7 technical support team is available via phone, email or live chat to provide personalized assistance and answer your questions.